lpc32xx linux-2.6.27.8配置

hysylinux

硬件平台：NXP LPC3250
工具：LTIB配置linux内核
主机系统：ubuntu
编译linux-2.6.27.8 是在字符设备驱动中选择 hs_serial_lpc32xx is support
编译出现如下错误，请问如何修改，谢谢。
  LD   drivers/input/built-in.o
  CC      drivers/serial/hs_serial_lpc32xx.o
drivers/serial/hs_serial_lpc32xx.c: In function 'serial_lpc32xx_interrupt':
drivers/serial/hs_serial_lpc32xx.c:347: error: 'struct uart_port' has no member named 'state'
make[2]: *** [drivers/serial/hs_serial_lpc32xx.o] Error 1
make[1]: *** [drivers/serial] Error 2
make: *** [drivers] Error 2
make: *** Waiting for unfinished jobs....